CN103522923B - A kind of automotive seat of cushion variable rigidity - Google Patents
A kind of automotive seat of cushion variable rigidity Download PDFInfo
- Publication number
- CN103522923B CN103522923B CN201310479058.4A CN201310479058A CN103522923B CN 103522923 B CN103522923 B CN 103522923B CN 201310479058 A CN201310479058 A CN 201310479058A CN 103522923 B CN103522923 B CN 103522923B
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- seat
- spring
- baffle plate
- cushion
- basin
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- 208000014674 injury Diseases 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 210000000689 upper leg Anatomy 0.000 description 4
- 241001415148 Hirschmanniella oryzae Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 210000001624 hip Anatomy 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 210000002414 leg Anatomy 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010061225 Limb injury Diseases 0.000 description 1
- 208000007623 Lordosis Diseases 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 210000004394 hip joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000004197 pelvis Anatomy 0.000 description 1
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- Seats For Vehicles (AREA)
Abstract
The present invention relates to a kind of automotive seat of cushion variable rigidity, comprise the chair back, seat basin, be arranged on the cushion on described seat basin, one or more baffle plate unit is provided with between described seat basin and described cushion, described baffle plate unit comprises baffle plate, be arranged on the first spring between described baffle plate and described seat basin and the second spring, one end of described baffle plate is connected with the leading section of described seat basin by described first spring, the other end of described baffle plate is unsettled and be positioned at the top of the medial end portions of described seat basin, one end of described second spring is fixedly connected with described seat basin, the other end is unsettled.Automotive seat of the present invention are when automobile collides, effectively can reduce the risk of adult occupants's dive injury, and when being applied to the back seat of equipment child safety seat, the use of child seat turnover-proof device can be coordinated by actv., reduce the risk that child seat occurs to overturn in collision process.
Description
Technical field
The present invention relates generally to a kind of automotive seat of cushion variable rigidity, belongs to occupant restrain system field.
Background technology
During automobile generation head-on crash, all easily there is dive in front and rear row occupant, causes belly and lower limb injury.For improving travelling comfort, seat is adjusted to retroverted state by front-seat copilot occupant, and this attitude of taking more easily dive risk occurs when colliding.In addition, when automotive seat being provided with child seat, the child seat be fixed on automobile rear seat has the trend overturn forward when frontal crash of vehicles, this threatens to the life security of child passenger.Research shows, improving automobile seat cushion rigidity during collision can provide integrated protection to all kinds of occupant of above operating mode.
Under automobile normal running operating mode, back of seat leaning angle is about 20 °, is called common stand up seat.When driving travelling or parking rest, for reaching the more comfortable sleep attitude taking attitude or the best, back of seat is adjusted to larger angle by occupant, is about 40 °-50 °, is called tilt-back seat.When automobile generation head-on crash, easily there is dive in the occupant be sitting in common stand up seat, and the occupant's dive be sitting in tilt-back seat is more serious.When dive occurs, for the occupant of wear safety belt, the pelvis of the occupant that slips away directly is invaded belly by abdominal belt, and shoulder belt will directly act on neck, causes occupant to be subject to very serious injury; For the occupant of non-wear safety belt, by relative seat forward and slide downward, lower limb of passenger and automotive trim come in contact and cause injury occupant's trunk.
Automotive seat in the market can realize anti-lower rice root nematode in the following manner: 1, add seat basin.The seat basin thickness added is generally the steel plate of about 1mm, prevents sinking of cushion.But when automobile generation severe crash, due to seat basin insufficient rigidity, can deform, anti-lower rice root nematode is unreliable; 2, energy-absorbing material is added.Add energy-absorbing material at regular foam material fronts, more collision energy can be absorbed, thus reduce occupant's dive risk, but the traveling comfort of passenger riding can be affected, add cost simultaneously; 3, anti-dive safety air bag.Add safety air bag below cushion, at impact moment firing air bag, cushion front end is lifted, play anti-lower rice root nematode, but air bag can not repeated usage and price is more expensive, changes also inconvenient.
Chinese patent literature (day for announcing: on July 10th, 2013, notification number: CN103192748A) discloses a kind of Novel seat descending-preventiomechanism mechanism, and mechanism comprises cushion frame, Chain cushion, cushion bracket and axle drive shaft.Wherein, driver train comprises hydraulic ram and cylinder component thereof.This mechanism need be equipped with sensor and control system, and sensor collision detection signal, sends instruction to control unit, control unit triggers the driver train action under Chain cushion as calculated afterwards, increase Chain cushion toe angle, make it upwards to lift, thus prevent dive.More complicated in this whole mechanism, involved parts are many, and cost is high, and the layout of axle drive shaft have impact on the traveling comfort of passenger riding.
Chinese patent literature (day for announcing: on July 6th, 2011, notification number: CN201890166U) discloses a kind of Anti-descending mechanism of seat of automobile, and mechanism is made up of the cushion frame of automotive seat, stirrup and the steel wire for forming a basin.Stirrup in this mechanism affects the traveling comfort of passenger riding, and integrated model cost is higher, and weight is large.
Chinese patent literature (the day for announcing: on July 13rd, 2011, notification number: CN201895602U) disclose a kind of Anti-descent structure for automobile seat, it comprises a basin, the front cross of seat basin upper surface is fixed with a spacing beam, the cross-sectional plane of spacing beam is "Ji" type, reduce front-row occupant health when automobile collides move down and dive is slided.This structure is simple, but the use of spacing beam can affect the traveling comfort of passenger riding.
Chinese patent literature (day for announcing: on September 26th, 2012, notification number: CN202448784U) discloses the anti-dive support of a kind of recoil pad, and this supporting structure is complicated, and manufacturing cost is high.
On the other hand, current automobile children safety chair is connected on automotive seat by ISOFIX, LATCH or safety strap, and its turnover-proof device is made up of ribbon, attachment point or supporting leg.Can there is deformation in ribbon and plastic support leg in collision process, thus cause child seat to overturn forward, threatens to children's life security.
Summary of the invention
Technical matters to be solved by this invention overcomes the deficiencies in the prior art, there is provided a kind of structure simple, the automotive seat of economical and practical cushion variable rigidity, these automotive seat are applied to the effect that automobile front and rear row seat plays anti-dive, also equipment child safety seat can be applied to, coordinate the use of child seat turnover-proof device, reduce the risk that child seat occurs to overturn in collision process.
For solving above technical matters, the present invention adopts following technical scheme:
A kind of automotive seat of cushion variable rigidity, comprise the chair back, seat basin, the cushion be arranged on described seat basin, one or more baffle plate unit is provided with between described seat basin and described cushion, described baffle plate unit comprises baffle plate, be arranged on the first spring between described baffle plate and described seat basin and the second spring, one end of described baffle plate is connected with the leading section of described seat basin by described first spring, the other end of described baffle plate is unsettled and be positioned at the top of the medial end portions of described seat basin, and one end of described second spring is fixedly connected with described seat basin, the other end is unsettled.
Described first spring is identical with the bearing of trend of described second spring.
Described second spring housing is located in described first spring, or described first spring housing is located in described second spring.
The line of centers of described first spring overlaps with the line of centers of described second spring.
Described first spring is than the long 30mm ~ 40mm of described second spring.
Described in the ratio of rigidity of described second spring, the rigidity of the first spring is large.
The shape of described baffle plate is consistent with the shape of the position of the corresponding described baffle plate of described seat basin.
Described baffle plate unit has two, and these two baffle plate unit lay respectively at the side, left and right two of described automotive seat.
Due to the enforcement of technique scheme, the present invention compared with prior art tool has the following advantages:
Automotive seat of the present invention by arranging baffle plate between cushion and seat basin, and pass through the combined action of baffle plate, the first spring, the second spring, make automotive seat of the present invention can play the effect of anti-dive when automobile collides.On the other hand, when being applied in equipment child safety seat, can the turnover-proof device of assisting child safety seat, effectively can reduce the risk that child safety seat occurs to overturn in collision process, improve the effect of child passenger protection.
Automotive seat of the present invention just arrange baffle plate between cushion and seat basin, significantly do not change the structure of existing automotive seat, and structure is simple, and economical and practical, reusable, the replacing of baffle plate and spring is all very convenient.
Automotive seat of the present invention have taken into account the safety when traveling comfort of passenger riding and automobile collide.
Accompanying drawing explanation
Fig. 1 is the structural representation (not showing cushion) of automotive seat of the present invention;
Fig. 2 is the structural representation that the baffle plate of automotive seat of the present invention is connected with seat basin;
In figure: 1, baffle plate; 2, the first spring; 3, the second spring; 4, seat basin.
Detailed description of the invention
Below in conjunction with Figure of description, the invention will be further described.
As shown in accompanying drawing 1 ~ 2, a kind of automotive seat of cushion variable rigidity, comprise the chair back, seat basin 4, the cushion arranged on present basin 4, be present and between basin 4 and cushion, be provided with one or more baffle plate unit, baffle plate unit comprises baffle plate 1, be arranged on the first spring 2 and the second spring 3 between baffle plate 1 and seat basin 4, one end of baffle plate 1 is connected with the leading section of seat basin 4 by the first spring 2, the other end of baffle plate 1 is unsettled and be positioned at the top of the medial end portions of a basin 4, and one end of the second spring 3 is fixedly connected with seat basin 4, the other end is unsettled.First spring 2 is identical with the bearing of trend of the second spring 3.
In the specific implementation, can the second spring 3 is set in the first spring 2, also the first spring 2 can be set in the second spring 3, and the line of centers of the line of centers of the first spring 2 and the second spring 3 overlaps.In the present embodiment, the second spring 3 is set in the first spring 2, and the long 30mm ~ 40mm of the first spring 2 to the second spring 3.Larger pressure can be born to make the spring under baffle plate 1, in the specific implementation, the rigidity of ratio first spring 2 rigidity of the second spring 3 arranged is larger, so, when other conditions are all substantially identical, the spring that spring wire can be selected thicker than the spring wire of the first spring 2 is as the second spring 3.
During concrete enforcement, the shape of baffle plate 1 is consistent with the shape of the position of the corresponding baffle plate 1 of seat basin 4.In this concrete enforcement, be present and be provided with two baffle plate unit between basin 4 and cushion, and these two baffle plate unit lay respectively at the side, left and right two of automotive seat, as shown in Figure 1, when adult occupants takes, the position of 2 baffle plates is corresponding with the thigh of adult.
Principle of work of the present invention:
When the occupant in certain weight range takes after these automotive seat, occupant's hip and thigh first with the foam contacting in cushion, foam is compressed, the leading section of baffle plate 1 to be depressed a segment distance together with the first spring 2, but baffle plate 1 does not touch the second spring 3, now cushion rigidity is certain, and because of baffle plate 1 rearward end unsettled, so the rearward end of baffle plate 1 increases the distance pressed down, make the shape of cushion on the whole in lordosis recurve, such occupant not easily forward slip, ensure that the traveling comfort of passenger riding simultaneously.When automobile generation head-on crash, occupant's hip and thigh are subject to huge impact force action, have the trend of dive, but due to the effect of the second spring 3, make baffle plate 1 pair of cushion foam produce larger constrained force, the first spring 2 is compacted together with the second spring 3, and now the rigidity of cushion reaches maximum, occupant's hip and thigh can not continue to move down, and namely prevent dive.
First spring 2, second spring 3 of automotive seat of the present invention and baffle plate 1 with the use of, improve the rigidity of cushion front end, reduce the distortion of cushion front end, ensure that less H point (H point is the pivot point of hip joint) is to bottom offset (namely perpendicular to the displacement of cushion), prevent occupant from skidding off outward, reduce dive trend.On the other hand, when child safety seat is assemblied on these automotive seat, for the child safety seat be fixed on automotive seat, automobile seat cushion front end rigidity improves, be conducive to the amount of compression reducing automobile seat cushion front end, the amount of compression of automobile seat cushion rear end increases relatively, its effect is equivalent to automobile seat cushion and tilts backwards, on the one hand child safety seat is remained on automotive seat well, on the other hand automotive seat produce a reverse moment of flexure to child safety seat, limit it and overturn forward.
In sum, the present invention not only can be applied to the effect that front and rear row seat (common stand up seat or tilt-back seat) plays anti-dive, also the back seat being equipped with child safety seat can be applied to, coordinate the use of child safety seat turnover-proof device, reduce the risk that child safety seat occurs to overturn in collision process.As can be seen here, the rigidity improving automobile seat cushion can provide actv. to protect for different occupant.
Above to invention has been detailed description; its object is to allow the personage being familiar with this art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; and the invention is not restricted to the embodiments described; the equivalence change that all Spirit Essences according to the present invention are done or modification, all should be encompassed within protection scope of the present invention.
Claims (6)
1. the automotive seat of a cushion variable rigidity, comprise the chair back, seat basin, be arranged on the cushion on described seat basin, it is characterized in that, one or more baffle plate unit is provided with between described seat basin and described cushion, described baffle plate unit comprises baffle plate, be arranged on the first spring between described baffle plate and described seat basin and the second spring, one end of described baffle plate is connected with the leading section of described seat basin by described first spring, the other end of described baffle plate is unsettled and be positioned at the top of the medial end portions of described seat basin, one end of described second spring is fixedly connected with described seat basin, the other end is unsettled,
Described in the ratio of rigidity of described second spring, the rigidity of the first spring is large;
Described baffle plate unit has two, and these two baffle plate unit lay respectively at the side, left and right two of described automotive seat.
2. the automotive seat of cushion variable rigidity according to claim 1, is characterized in that, described first spring is identical with the bearing of trend of described second spring.
3. the automotive seat of cushion variable rigidity according to claim 2, is characterized in that, described second spring housing is located in described first spring, or described first spring housing is located in described second spring.
4. the automotive seat of cushion variable rigidity according to claim 3, is characterized in that, the line of centers of described first spring overlaps with the line of centers of described second spring.
5. the automotive seat of the cushion variable rigidity any one of Claims 1-4 described in claim, is characterized in that, described first spring is than the long 30mm ~ 40mm of described second spring.
6. the automotive seat of cushion variable rigidity according to claim 1, is characterized in that, the shape of described baffle plate is consistent with the shape of the position of the corresponding described baffle plate of described seat basin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310479058.4A CN103522923B (en) | 2013-10-14 | 2013-10-14 | A kind of automotive seat of cushion variable rigidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310479058.4A CN103522923B (en) | 2013-10-14 | 2013-10-14 | A kind of automotive seat of cushion variable rigidity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103522923A CN103522923A (en) | 2014-01-22 |
| CN103522923B true CN103522923B (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310479058.4A Active CN103522923B (en) | 2013-10-14 | 2013-10-14 | A kind of automotive seat of cushion variable rigidity |
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| Country | Link |
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| CN (1) | CN103522923B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3862221B1 (en) * | 2020-02-04 | 2023-11-29 | Ningbo Geely Automobile Research & Development Co. Ltd. | Full seat pan with tilt function |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3777806B2 (en) * | 1998-07-14 | 2006-05-24 | 日産自動車株式会社 | Vehicle seat |
| KR100461101B1 (en) * | 2002-06-15 | 2004-12-13 | 현대자동차주식회사 | Anti submarine seat for automobile |
| CN2739036Y (en) * | 2004-11-09 | 2005-11-09 | 东华大学 | Inertial protection rear-inclining chair used while emergency braking automobile |
| CN101140019A (en) * | 2006-09-04 | 2008-03-12 | 上海通运汽车科技有限公司 | Multilevel stiffness changing structure of spiral compression spring |
| EP2123507B1 (en) * | 2008-05-21 | 2016-05-25 | Mazda Motor Corporation | Vehicle seat structure |
| CN201954118U (en) * | 2011-01-14 | 2011-08-31 | 江苏慧通成套管道设备有限公司 | Low-height low-rigidity spring support |
| CN203543732U (en) * | 2013-10-14 | 2014-04-16 | 清华大学苏州汽车研究院（相城） | Vehicle seat with changeable cushion rigidity |
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2013
- 2013-10-14 CN CN201310479058.4A patent/CN103522923B/en active Active
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| Publication number | Publication date |
|---|---|
| CN103522923A (en) | 2014-01-22 |
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